diff --git a/gerrit_to_github_issues/cli.py b/gerrit_to_github_issues/cli.py
index f11e872..b84a224 100644
--- a/gerrit_to_github_issues/cli.py
+++ b/gerrit_to_github_issues/cli.py
@@ -47,6 +47,11 @@ def main():
     )
     parser.add_argument('-g', '--gerrit-url', action='store', required=True, type=str,
                         default=os.getenv('GERRIT_URL', default=None), help='Target Gerrit URL.')
+    parser.add_argument('-a', '--change-age', action='store', required=False, type=str,
+                        default=None,
+                        help='Specifies how far in the past to search for changes in Gerrit. '
+                             'See https://gerrit-review.googlesource.com/Documentation/user-search.html#age for more '
+                             'details.')
     parser.add_argument('-u', '--github-user', action='store', required=False, type=str,
                         default=os.getenv('GITHUB_USER', default=None),
                         help='Username to use for GitHub Issues integration. Defaults to GITHUB_USER in '
diff --git a/gerrit_to_github_issues/engine.py b/gerrit_to_github_issues/engine.py
index 7d7eeb9..67d9744 100644
--- a/gerrit_to_github_issues/engine.py
+++ b/gerrit_to_github_issues/engine.py
@@ -21,9 +21,9 @@ LOG = logging.getLogger(__name__)
 
 
 def update(gerrit_url: str, gerrit_project_name: str, github_project_name: str, github_user: str, github_password: str,
-           github_token: str):
+           github_token: str, change_age: str = None):
     repo = github_issues.get_repo(github_project_name, github_user, github_password, github_token)
-    change_list = gerrit.get_changes(gerrit_url, gerrit_project_name)
+    change_list = gerrit.get_changes(gerrit_url, gerrit_project_name, change_age=change_age)
     for change in change_list['data']:
         if 'commitMessage' in change:
             process_change(change, repo, gerrit_url)
diff --git a/gerrit_to_github_issues/gerrit.py b/gerrit_to_github_issues/gerrit.py
index c655422..c8fdded 100644
--- a/gerrit_to_github_issues/gerrit.py
+++ b/gerrit_to_github_issues/gerrit.py
@@ -14,8 +14,10 @@ import json
 from fabric import Connection
 
 
-def get_changes(gerrit_url: str, project_name: str, port: int = 29418) -> dict:
+def get_changes(gerrit_url: str, project_name: str, port: int = 29418, change_age: str = None) -> dict:
     cmd = f'gerrit query --format=JSON status:open project:{project_name}'
+    if change_age:
+        cmd += f' -- -age:{change_age}'
     result = Connection(gerrit_url, port=port).run(cmd)
     processed_stdout = '{"data":[%s]}' % ','.join(list(filter(None, result.stdout.split('\n'))))
     data = json.loads(processed_stdout)